[Pcar Squared]

Cayenne owners in large numbers are being affected by a defect of Porsche Cayenne that causes vibrations that have been classified as "characteristic" by PCNA.

For months PCNA has attempted to resolve this issue through tire and wheel rebalancing, as well as tire replacement. In the end what we are left with is a $70K - $110K vehicle that has the ride quality of a vehicle costing 1/3 of the Cayenne and plenty of vibration.

Enough, is enough! If you are a victim of this defect please send and email with the following information to cayennevibrations@project-guru.com .

I am currently in the process of assembling the proper team of legal professionals to properly represent Cayenne Owners Against PCNA.


Contact Info-

Name:
Location: State
email:
phone:
Instant Messenger: AOL or Yahoo

Vehicle information-

Model: V6/S/Turbo
Year:
Suspension: Air/Steel
Wheel Size:
Tire Manufacture:
Tire Size:

Brief Description of Vibration and Repair Attempts:

[JoeA]

Was this Cayenne S or Turbo specific. Can you describe more of what the issue is in greater detail so I can be on the look out for it.

Regards
joe

[kr3131]

I do not have all of the detail that you are requesting as I write today but will be glad to gather it and forward. I have `04 CS with the same nagging vibration issue. Purchased car in Nov. `03 and issue has been there since. Multiple road force balances, multiple alignments, two new Conti front tires, now 4 new Perelli tires with two new rims. Same as before. My dealer drove all CS on lot. of 7, 6 had same vibration. They have been trying but to no avial. I know this dealer/owner well, all of the service guys and they are really at a dead end. It would appear that as wide spread as this problem is that Porsche is simply not fessing up to the real issue unless they themselves do not know but I seriously doubt. For reps to say that this is a characteristic of the car is embarrassing to say the least. I love this truck, I hate this vibration. I had hoped that Porsche would fix, `05's would not have issue but now I have seen a few posts from `05 owners stating that they have the same issue. That amazes me that they are still putting them out with this defect. I do intend to find my exact car without this issue working with my dealer. If Porsche will not work with them or support, I fully intend to engage legal council to solve this matter.

[Astolfo]

lets go and get them. it is Humiliating to get in a 20yr + old porsche and have a better ride than my TT. Never mind to get in a H civic!

[wbgordon]

I have the same problem with my 2004 Cayenne which is six months old. I get a vribation between 55-80 mph. I was told by a tech at a Porsche dealer in Tampa that Porsche was having driveshaft problems with the Cayenne. Anyone heard the same?

[PTEC]

Every case is different, but driveshaft problems are unlikely. Im aware of one Cayenne TT owner who had both front axles replaced, the steering rack, the cardan shaft, and a brand new set of tires sent to Tire Rack to be heat cycled, trued and balanced, none of which fixed his slight shimmy.

[wwest]

The Cayenne series seems to be extraordinarily heavy even against vehicles in the same class. Is the entire driveline system so heavy that no amount of balancing can suppress the vibration?

Anybody checked to be sure the automatic braking force distribution system isn't in operation even without brake application? It might be worth disconnecting the ABS pumpmotor ciruit (fuse??) to check it out.

I can readily envision a programmer goofing up the PSM code in this manner.

[ssca]

I do not have a Cayenne, but on my BMW 540i I had a problem with the car's steering vibrating or slight shimmy at different speeds. I changed the upper and lower control arm bushings and the problem was solved.

Hope this helps!!!

04 C4S owner.

[JSB]

I had a 04 Cayenne S with a very low bass sounding rumble/vibration at 45-60 mph. The dealer tried the tire balancing thing, but to no avail. After further investigation, the dealer decided to replace the drive shaft. This fixed the problem completely.

[peppert]

My 04 CT has just started the steering wheel vibration. I haven't taken it in to the service department yet because I am in the midst of a lemon law with this car.

I am interested in joining you, though.

Peppert

[cayenneaz]

I have the same problem with my 2005 Cayenne V6 which is 1 month old. I brought it back to service and they did a multiple road force balances and multiple alignments but it didn't work. I get a vibration between 65-75 mph. I feel more tired of driving this $60k car than driving my wifes 2001 toyota rav 4.

[Stefan]

I was just talking to the dealer about getting my 1999 Boxster aligned since I just installed the ROW M030 suspension. I asked them if they recommended realignment after a few months once the suspension had settled. He said that you should keep your eye on tire wear (don't know if this is realistic).

He also mentioned that they had had tons of problems with suspensions settling on the Cayenne. The tires were being worn unevenly because the settling of the suspension was causing changes in the alignment. They have replaced many tires under warrantee because of this.

So I would suspect that if you get a Cayenne, the suspensions settles, then you get another alignment a year (or more) later you might end up with a vibration due to incorrect tire wear. Once your tires are worn incorrectly, replacing them is about all you can do.

Just an idea.

[rockitman]

anyone try pulling the standalone servotronic fuse ? My guess it's at the heart of the problem. I will try it this weekend and post my results. '04 CT w/ 20" Sport Design/Michelin from factory.
I emailed you...

[AlienGG]

I experience a different problem with my 1-month old Cayenne.
Well, maybe I shouldn't say "problem" as I don't know if this is, indeed, a "characteristic" of the vehicle too.
This has something to do with the traction or transmission, I guess.
After I accelerate it to, let's say, 40 MPH, and release the paddle. I sometimes feel like it has a strong resistant force from the front. You can have the same feeling when you lug from the 4th gear to the 3rd at 40MPH and above 3000RPM of engine rotation.
This happens 50% of the time, so I am curious if anyone else has the same kind of experience, and if this is normal.

[AlienGG]

Yet, another transmission "problem"...
Sometimes, after I back the Cayenne with Tiptronic up for about 20 feet, it starts from D1 instead of D2.
Again, this happens occasionally and seems rarer recently. Is it some kind of "break-in" illness?
BTW, my Cayenne has only 1600 miles on it, but the display keeps on telling me to have a service done @ 2600 miles. I did let the engine rotate close to or over 4200RPM once a while when I use Tiptronic. Is that a serious problem? Do I need an Oil Change right after the break-in period?

Another question, what do the dealers do in terms of "service"? Not just a simple oil-change, right?

[Loren]

AlienGG, on Oct 30 2005, 09:15 PM, said:

Yet, another transmission "problem"...
Sometimes, after I back the Cayenne with Tiptronic up for about 20 feet, it starts from D1 instead of D2.
Again, this happens occasionally and seems rarer recently. Is it some kind of "break-in" illness?
BTW, my Cayenne has only 1600 miles on it, but the display keeps on telling me to have a service done @ 2600 miles. I did let the engine rotate close to or over 4200RPM once a while when I use Tiptronic. Is that a serious problem? Do I need an Oil Change right after the break-in period?

Another question, what do the dealers do in terms of "service"? Not just a simple oil-change, right?

4449"]<{POST_SNAPBACK}>

Check with your dealer - there was a new TSB for Hard Shifting In Range First to Second in February this year. They change out the Tiptronic control unit to fix it. In some cases the DME software must be updated too.

[CTS]

Does anyone have an idea about how many cars have this problem? A few, or many?

[stevewlee]

Another one here with the vibration and thumping noise 04 S.

[Porshce Nut]

my guess as to how many would be few. my take on vehicle problems and those the people that are on the forums is that they (we) are very detail oriented and aware people who notice even the slightest issues. i am not saying there is not a problem with the Cayenne, i am saying that there are thousands of Cayennes on the road and if you read this forum, there may be a total of 10-20 people with issues. PCNA will never consider this a big problem with so few people complaining. IMHO By the way, i am seriously considering the purchase of a Cayenne, i currently drive a 997S, but every time i drive a Cayenne i love it. and no i have never noticed the vibration thing, but i will be sure to pay more attention from now on.

[frankieeee]

'04 Cayenne S here... taken to the dealers 3 times to report banging underneath car... so now, warranty expires 2 weeks after last trip to the shop where again they could find nothing wrong. last nite, banging gets worse, take to dealer this AM and POWWWWWW the driveshaft is gone.

so now, no warranty... call Porsche NA, we'll see what happens, but it doesnt look good.

Anyone have any experience trying to get something covered after the warranty expires? I have documented trips to the shop explaining the issue, but they could never find the cause.